Manual Tongs are necessary tools applied to make up and break out pipes. Changing lug jaws and latch steps can adjust different handling sizes of pipes. They are designed and manufactured according to API Spec 7K.lakepetroleum[at]haotmail.com
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No. of latch lug jaws
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No. of hinge pin hole
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Size range
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Related torque
KN.m
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in
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mm
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|||
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1#
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I
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3½-6
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88.9-152
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90
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II
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5¾-7
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146-178
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III
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6?-8¼
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168-210
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2#
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I
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8-9?
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203-244
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II
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10?-11¼
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270-286
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3#
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I
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11¾-12¾
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298-324
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55
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II
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13?-14?
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340-365
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4#
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II
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16-17
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406-432
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